methyl ester chlorophyll chlorophyll f 906.515 907.47250 C55H70MgN4O6 CHEBI:61290 [H]C(=O)c1c(C=C)c2\C=C3/N=C(C=c4c(C)c5C(=O)[C@H](C(=O)OC)C6=c5n4[Mg]n2c1\C=C1/N=C6[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@@H]1C)C(CC)=C/3C [methyl 14-ethyl-8-formyl-4,13,18-trimethyl-20-oxo-3-{3-oxo-3-[(3,7,11,15-tetramethylhexadec-2-en-1-yl)oxy]propyl}-9-vinylphorbine-21-carboxylatato(2-)-kappa(4)N(23),N(24),N(25),N(26)]magnesium chebi_ontology